641203 has 2 divisors, whose sum is σ = 641204. Its totient is φ = 641202.

The previous prime is 641197. The next prime is 641213. The reversal of 641203 is 302146.

641203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 641203 - 2⁹ = 640691 is a prime.

It is a super-2 number, since 2×641203² = 822282574418, which contains 22 as substring.

641203 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (641213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320601 + 320602.

It is an arithmetic number, because the mean of its divisors is an integer number (320602).

2⁶⁴¹²⁰³ is an apocalyptic number.

641203 is a deficient number, since it is larger than the sum of its proper divisors (1).

641203 is an equidigital number, since it uses as much as digits as its factorization.

641203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 641203 is about 800.7515220092. The cubic root of 641203 is about 86.2313493244.

Adding to 641203 its reverse (302146), we get a palindrome (943349).

It can be divided in two parts, 6 and 41203, that added together give a square (41209 = 203²).

The spelling of 641203 in words is "six hundred forty-one thousand, two hundred three".